Differences between those who panic by day and those who also panic by night.
D000293:Adolescent; D000328:Adult; D000379:Agoraphobia / Q000175:diagnosis / Q000523:psychology; D001007:Anxiety / Q000209:etiology* / Q000523:psychology; D001143:Arousal; D016009:Chi-Square Distribution; D003710:Demography; D005239:Fear / Q000523:psychology; D005260:Female; D006801:Humans; D008297:Male; D015999:Multivariate Analysis; D016584:Panic Disorder / Q000503:physiopathology*; D010555:Personality Inventory / Q000706:statistics & numerical data; D011569:Psychiatric Status Rating Scales; D012647:Self-Assessment; D012893:Sleep Wake Disorders / Q000175:diagnosis / Q000209:etiology* / Q000523:psychology; D011795:Surveys and Questionnaires; D013995:Time